APA引文

Refsum, H., & Smith, A. (2006). Homocysteine, B vitamins, and cardiovascular disease.

Chicago Style (17th ed.) Citation

Refsum, H., and A. Smith. Homocysteine, B Vitamins, and Cardiovascular Disease. 2006.

MLA引文

Refsum, H., and A. Smith. Homocysteine, B Vitamins, and Cardiovascular Disease. 2006.

警告：這些引文格式不一定是100％准確.